.sk{
    position: absolute;
    top: 40px;
    left: 185px;
    padding: 4px 0 4px 14px;
    border-left: 1px solid #b1191a;
}
.nav ul li{
    float: left;
    line-height: 45px;
}
.sk_list ul li a{
    display: block;
    padding: 0 28px;
    font-size: 16px;
    font-weight: 700;
    color: #000;
}
.sk_con ul{
    margin-left: 8px;
}
.sk_con ul li a{
    display: block;
    padding: 0 22px;
    line-height: 47px;
}
.sk_con ul li:last-child a::after{
    font-family: 'icomoon';
    margin-left: 5px;
    content: '\e91e';
}
/* 列表主体部分 */
.sk_hd>li{
    height: 120px;
}
.sk_container img{
    width: 100%;
    height: 100%;
}
.sk_bd{
    margin-top: 25px;
}
.sk_bd>li{
    float: left;
    width: 290px;
    height: 460px;
    margin: 0 13px 10px 0;
    border: 1px solid transparent;
    transition: all .3s;
}
.sk_bd>li:hover{
    border-color: #e12228;
}
.sk_bd>li:nth-child(4n){
    margin-right: 0;
}